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Freelance Database Developer Jobs in Illinois (NOW HIRING)

Solomon Page

Senior Data Engineer

Chicago, IL · On-site

$65 - $80/hr

  • Medical

  • Dental

  • Retirement

We are seeking a hands-on Senior Data Engineer to support Phase 0 data discovery, profiling ... freelancers - which sets us apart in the industries we serve. About Solomon Page Founded in 1990 ...

Catylist

Java/Web Developer

Chicago, IL · On-site +1

  • Medical

  • Dental

  • Vision

  • Retirement

About Us We're building a nationwide network of crowdsourced commercial real estate databases. Our ... Consulting/freelance is not your bag. You prefer to maintain and improve the products you've built ...

Publicis Groupe Holdings B.V

Lead Full Stack Engineer

Chicago, IL · On-site

$110K - $173K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Strong knowledge of relational databases such as MS SQL Server, MySQL, or Postgres * Good knowledge ... Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan ...

Publicis Groupe Holdings B.V

Manager, Data Engineering

Chicago, IL · On-site

$88K - $127K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Experience with database structures, ETL, and cloud data platforms * Technical documentation skills ... Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan ...

Publicis Groupe Holdings B.V

Manager, Data Engineering

Chicago, IL · On-site

$88K - $127K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Experience with database structures, ETL, and cloud data platforms * Technical documentation skills ... Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan ...

Publicis Groupe Holdings B.V

Manager, Data Engineering

Chicago, IL · On-site

$88K - $127K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Experience with database structures, ETL, and cloud data platforms * Technical documentation skills ... Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan ...

Publicis Groupe Holdings B.V

Manager, Analytics

Chicago, IL · On-site

$88K - $127K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... programming languages • Experience working with relational databases, SQL • Strong ... Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan ...

All JobsDatabase Developer JobsFreelance Database Developer JobsFreelance Database Developer Jobs in Illinois

Freelance Database Developer information

See Illinois salary details

$25

$51

$78

How much do freelance database developer jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for freelance database developer in Illinois is $51.47, according to ZipRecruiter salary data. Most workers in this role earn between $42.16 and $58.22 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a freelance database developer?

To thrive as a Freelance Database Developer, you need a solid understanding of database design, SQL programming, and data modeling, typically supported by a degree in computer science or related experience. Familiarity with database management systems like MySQL, PostgreSQL, SQL Server, and NoSQL databases, as well as relevant certifications (such as Microsoft Certified: Azure Database Administrator Associate), is highly valued. Strong problem-solving abilities, effective communication, and time management are important soft skills for success in this freelance position. These competences are vital for delivering high-quality solutions, managing multiple projects, and collaborating with diverse clients in a freelance capacity.

What is a freelance database developer?

A Freelance Database Developer is an independent professional who designs, builds, and manages databases for clients on a contract basis. They work with various database systems like MySQL, PostgreSQL, SQL Server, and MongoDB to ensure data is structured, secure, and efficient. Responsibilities often include database optimization, troubleshooting, migrations, and integration with applications. Freelancers have the flexibility to work with multiple clients across different industries, providing tailored database solutions based on specific business needs.

What are some common challenges faced by freelance database developers, and how can they be addressed?

Freelance Database Developers often encounter challenges such as managing projects across different technologies, ensuring data security for multiple clients, and juggling simultaneous deadlines. Staying current with various database platforms and keeping up-to-date with industry best practices can also be demanding. To address these issues, it's important to continuously update your technical skills, use project management tools to stay organized, and establish clear client communication protocols regarding scope and expectations. Building a strong professional network and leveraging online communities can also provide support and resources for overcoming obstacles in this field.

What are the most commonly searched types of Database Developer jobs in Illinois?

The most popular types of Database Developer jobs in Illinois are:

What are popular job titles related to Freelance Database Developer jobs in Illinois?

For Freelance Database Developer jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Freelance Database Developer jobs in Illinois look for?

The top searched job categories for Freelance Database Developer jobs in Illinois are:

What cities in Illinois are hiring for Freelance Database Developer jobs?

Cities in Illinois with the most Freelance Database Developer job openings:

Freelance Database Developer jobs near you
Infographic showing various Freelance Database Developer job openings in Illinois as of August 2026, with employment types broken down into 100% Full Time. Highlights an 74% In-person, and 26% Remote job distribution, with an average salary of $107,066 per year, or $51.5 per hour.

Senior Data Engineer

Solomon Page

Chicago, IL • On-site

$65 - $80/hr

Contractor

Medical, Dental, Retirement

Posted 8 days ago

Job description

We are seeking a hands-on Senior Data Engineer to support Phase 0 data discovery, profiling, mapping, and engineering handoff activities for a large-scale customer data and marketing transformation initiative. This role will work closely with Data Strategists, Solution Architects, and business stakeholders to analyze enterprise data sources, define canonical data models, and prepare high-quality engineering deliverables for implementation in Databricks. The ideal candidate has strong expertise in Databricks, SQL, Python, and AWS, along with experience in data modeling, data quality, and customer identity management.
  • Rate Range: $65-80/hr on W2

Responsibilities:
  • Inventory priority source systems, entities, identifiers, fields, relationships, and data quality issues.
  • Perform data discovery, profiling, and analysis across enterprise data sources.
  • Assess data completeness, duplicate patterns, freshness, lineage, conflicts, and source reliability.
  • Develop source-to-target mappings for the canonical marketing data model.
  • Translate identity resolution rules, survivorship logic, source hierarchy, field ownership, account relationships, and exception handling into engineering-ready documentation.
  • Document data gaps, assumptions, dependencies, risks, and unresolved issues for engineering teams.
  • Define data quality thresholds, acceptance criteria, match confidence metrics, and engineering handoff requirements.
  • Collaborate with Data Strategists, Solution Architects, and client engineering teams to ensure successful implementation in Databricks.
  • Support data engineering best practices and contribute to scalable, high-quality data solutions.

Required Qualifications:
  • 7+ years of experience in Data Engineering, Data Integration, or Data Warehousing.
  • Strong hands-on experience with Databricks, SQL, Python, and AWS.
  • Experience with data profiling, data discovery, and source system analysis.
  • Strong understanding of data modeling, source-to-target mapping, and data transformation.
  • Experience documenting engineering requirements and preparing implementation-ready technical artifacts.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Excellent communication and stakeholder collaboration abilities.

Required Skills:
  • Databricks
  • SQL
  • Python
  • AWS
  • Data Discovery & Profiling
  • Source-to-Target Mapping
  • Data Modeling
  • Data Quality Assessment
  • Customer Identity Resolution
  • Data Lineage
  • Requirements Documentation
  • Stakeholder Collaboration

Technical Skills:
  • Databricks
  • SQL
  • Python
  • AWS
  • CRM Data
  • Eloqua
  • Marketing Data Models
  • Data Mapping
  • Data Quality & Validation
  • Identity Resolution
  • ETL/ELT Concepts

Preferred Qualifications:
  • Experience with customer data platforms (CDPs) or marketing data ecosystems.
  • Knowledge of identity resolution, golden record, and master data management concepts.
  • Experience working with enrichment platforms, analytics data, web data, event data, or 6Sense.
  • Experience supporting enterprise marketing or customer analytics initiatives.

If you meet the required qualifications and are interested in this role, please apply today.
The Solomon Page Distinction
Solomon Page offers a comprehensive benefit program for hourly employees. We pride ourselves on offering medical, dental, 401(k), direct deposit and commuter benefits to our employees, including freelancers - which sets us apart in the industries we serve.
About Solomon Page
Founded in 1990, Solomon Page is a specialty niche provider of staffing and executive search solutions across a wide array of functions and industries. The success of Solomon Page reflects an organic growth strategy supported by a highly entrepreneurial culture. Acting as a strategic partner to our clients and candidates, we focus on providing customized solutions and building long-term relationships based on trust, respect, and the consistent delivery of excellent results. For more information and additional opportunities, visit: solomonpage.com and connect with us on Facebook , and LinkedIn .
Opportunity Awaits.
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